Question: Solve each set of simultaneous equations using Gauss-Jordan elimination with detached coefficients or some other method: (a) x + 2y + 3z = 0 3x

Solve each set of simultaneous equations using Gauss-Jordan elimination with detached coefficients or some other method:
(a) x + 2y + 3z = 0
3x + y + 2z = 0
2x + 3y + z = 0
(b) x + 2y + 3z = 0
x - y + z = 0
7x - y + 11z = 0

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